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I could be wrong, but the only thing that makes sense to me is Bad ram.
What iMac g3 is it? is it a tray loading or a slot loading.
Most tray loading imacs only support a total of 512mb (2x 256mb)
 
thats okay, i currently have 256 in it.

But... would these two high density sticks work in an imac g4? Because I'd really like to sell my g3 and buy a g4, they are awesome.

Thanks for the tips!
 
sorry high density ram only works on some pc's with certain motherboard configurations , read some , thats why high density ram is so cheap , because it only works on 1 out of a million computers or so
and it does not on a G3 and it wont work on a G4 iMac either
 
thats okay, i currently have 256 in it.

But... would these two high density sticks work in an imac g4? Because I'd really like to sell my g3 and buy a g4, they are awesome.

Thanks for the tips!

You're probably better off buying an Intel Mac if you can afford it. Most of the G4 computers are listed as obsolete by Apple as it is...
 
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